Cristiano Ronaldo: Why everyone's talking about the Real Madrid star
2 May 2017 Last updated at 09:26 BST
The Champions League semi-finals start on Tuesday night.
Real Madrid are taking on Atlético Madrid, before Monaco face Juventus on Wednesday.
There's one player everyone's talking about ahead of the Madrid showdown - the mighty Cristiano Ronaldo.
Ricky has been finding out why.